18605020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{132893}}^1$

素因数の和:132909

約数の個数: 24

約数和(自身を含む): 44652384

約数和(自身を除く): 26047364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 132893, 265786, 531572, 664465, 930251, 1328930, 1860502, 2657860, 3721004, 4651255, 9302510, 18605020]

約数ペア:

[(1, 18605020), (2, 9302510), (4, 4651255), (5, 3721004), (7, 2657860), (10, 1860502), (14, 1328930), (20, 930251), (28, 664465), (35, 531572), (70, 265786), (140, 132893)]